import Vue from 'vue'
import VueRouter from 'vue-router'
import login from '../components/login.vue'
import home from '../components/home.vue'
import welcome from '../components/welcome.vue'
import users from '../components/user/users.vue'
import rights from '../components/power/Rights.vue'
import roles from '../components/power/Roles.vue'
import cate from '../components/goods/cate.vue'
import params from '../components/goods/params.vue'
import list from '../components/goods/list.vue'
import add from '../components/goods/add.vue'
import order from '../components/order/order.vue'
import report from '../components/report/report.vue'

Vue.use(VueRouter)

const router = new VueRouter({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: login },
    {
      path: '/home',
      component: home,
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: welcome },
        { path: '/users', component: users },
        { path: '/rights', component: rights },
        { path: '/roles', component: roles },
        { path: '/categories', component: cate },
        { path: '/params', component: params },
        { path: '/goods', component: list },
        { path: '/goods/add', component: add },
        { path: '/orders', component: order },
        { path: '/reports', component: report }
      ]
    }
  ]
})

// 挂载路由导航守卫，相当于拦截器，所有路由请求都需要过一遍这个
router.beforeEach((to, from, next) => {
  // to => 将要访问的页面
  // from => 代表从哪个路径跳转而来
  // next=>是否放行 next()放行 next('/login')强制跳转到/login

  ///login直接放行
  if (to.path === '/login') return next()

  //其它判断是否有token
  const tokenstr = window.sessionStorage.getItem('token')

  if (!tokenstr) return next('/login')
  next()

})
export default router
